Java , Distributed Systems , Open Source, AWS , Cloud Computing , Big Data
Introduction Docker is an open platform for developers and sysadmins to build, ship, and run distributed applications . At the heart of the docker infrastructure is a Docker Engine, a portable, lightweight runtime and packaging tool, and Docker Hub, a cloud service for sharing applications and automating workflows. Why Docker ? Docker enables apps to … Continue reading Getting started with Docker
In a distributed system , we typically have requirements of load balancing client requests to achieve high performance , faster response and zero point-of-failure. There are a couple of ways that we can achieve load-balancing. (client side v/s server side ). This blog focuses on client-side load balancing where the logic to route a particular … Continue reading Client side load balancing with Netflix Ribbon , Curator and Zookeeper
When running tests which perform database operations , we would not want to operate on the development / production database as we might lose all the data or face data corruption issues. In order to mitigate this issue , we can use the sql-maven-plugin to create a temporary database and use it for data population … Continue reading Using sql-maven-plugin for running database tests on a temporary database
DBUnit can be used to ease integration tests which interact with the database. Each unit test should create the data it needs, and when it finishes , it should delete all the data ,leaving the database in a clean state. This helps mitigate issues such as failing tests due to data corruption issues. Spring-test-dbunit provides an integration … Continue reading Database testing with Spring Test DBUnit
Swagger is a specification for documenting REST APIs. It enables the service provider to publish any changes in the REST API specifications thus making these updates visible to the clients consuming these APIs in real time. This blog describes how to use swagger to document Jersey based REST APIs in a Spring application. I have … Continue reading Documenting Jersey REST APIs with Swagger
Hazelcast is a distributed in-memory data grid and provides many features such as database caching , messaging , application scaling. In this blog , I would describe how can we use Hazelcast in a Spring application for database caching. Before I start , here is the sample code for your reference : https://github.com/rohitsardesai50/spring/tree/master/spring_hazelcast We have … Continue reading Database caching with Hazelcast + Spring
Java, Open Source and beyond 